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Smart Home Sensors & Detectors


SmartHome detectors and sensors are designed both for connection to central units and for stand-alone use without them. These are, for example, motion sensors, smoke, gas or CO detectors or anti-flood detectors. All the sensors work with smartphones, so you always have a full overview of what's going on in your home.

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Installing a SmartHome system is easy

The installation of various detectors and sensors is user-friendly and does not require any construction modifications or complicated wiring, as these expansion modules communicate wirelessly.

Pay attention to compatibility

When choosing expansion modules, it is important to focus on the communication protocol.

  • Some accessories require a connection to the central unit. The purchased module must be built on the same communication protocol as this unit, such as ZigBee or Z-Wave. Otherwise, the two devices will not communicate.
  • Other devices work independently, for example via Bluetooth or Apple HomeKit. They can be controlled via the manufacturer's app and don't require a central unit to work.

SmartHome detectors and sensors have many uses

There are a number of detectors and sensors on the market, so we sort them into groups for better clarity.

  • Motion detectors
  • Motion detectors for windows or doors
  • Smoke, gas or carbon monoxide detectors
  • Vibration detectors
  • Flood detectors
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347 Results
5.0
EVOLVEO Alarmex Pro (ACSALMSMK) wireless smoke detector
Smoke Detector - mains power supply, detection reach 80 m, acoustic signals, signal volume 90 dB, features: test button, cover material plastic, operating temperature from 0 to 55 °C, input voltage 9 V, standalone unit requires a central hub
28.90 €
Buy
Ordered on request
Order Code: EVO22_08
5.0
WOOX Smart Water Leak Sensor R7050
Water Leak Detector - detects water gas,, compatible with Tuya, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
22.90 €
Buy
Ordered on request
Order Code: Woox22_18
4.5
EVOLVEO wireless outdoor siren for Alarmex / Sonix
Siren - closed system, area of use: security, power supply: Power plug
81.90 €
Buy
Ordered on request
Order Code: RY203f
4.1 38×
EVOLVEO wireless smoke and temperature detector for Alarmex/Sonix
Smoke Detector - detects temperature, battery-powered , acoustic signals, signal volume 85 dB, features: test button, operating temperature from 4,4 to 37,8 °C, operating humidity from 10 to 90 %, battery included, standalone unit requires a central hub
from  25.96 €
Buy
Ordered on request
Order Code: RY202e1
2.5
EVOLVEO Alarmex Pro (ACSALMPIRP) wireless PIR motion sensor with immunity to small animal movement
Motion Sensor - for alarm, Exterior and Interior, battery powered, input voltage: 9 V, reach of 80m, compatible with Tuya, connection via WiFi 2,4 GHz and GSM, battery indication, independently functional unit
28.90 €
Buy
Ordered on request
Order Code: EVO22_13
3.3
Nedis ZBDCO11WT
Gas Leak Detector - detects CO (carbon monoxide), battery-powered, acoustic signals, notifications via push notifications, signal volume 85 dB, battery indication, features alarm, cover material plastic, operating temperature to 50 °C, battery included, compatible with Nedis SmartLife, standalone unit, compatible with Android and iOS
58.90 €
Buy
Ordered on request
Order Code: Nedis23_002
EMOS Mikrovlnný senzor (pohybové čidlo) IP20, 2000 W, 360°, přisazený
Motion Sensor - for lighting, Interior, mains supply, input voltage: 230 V, reach of 8m, integrated daylight sensor and adjustable sensitivity, independently functional unit
New arrival 17.50 €
Buy
Ordered on request
Order Code: EMOS26066
EMOS PIR senzor (pohybové čidlo) IP20, 1200 W, 360°, přisazený
Motion Sensor - for lighting, Interior, mains supply, input voltage: 230 V, reach of 6m, integrated daylight sensor and adjustable sensitivity, independently functional unit
New arrival 10.56 €
Buy
Ordered on request
Order Code: EMOS26067
EMOS GoSmart PIR senzor (pohybové čidlo) IP20, 60°, ZigBee
Motion Sensor - for lighting and for alarm, Interior, battery powered, input voltage: 3V, reach of 8m, compatible with Tuya, Lidl Home, Smartlife and EMOS GoSmart, battery indication, a central unit is required to function, application in Czech, applications in Czech and English for Android and iOS
New arrival 19.54 €
Buy
Ordered on request
Order Code: EMOS26065
EMOS GoSmart Bezdrátový dveřní/okenní senzor IP-2111Z, ZigBee
Door and Window Sensor - wireless, compatible with Tuya, Lidl Home, Smartlife and EMOS GoSmart, battery indication and protection against sabotage, central unit required, supported OS: Android and iOS, application in Czech, application in Czech and English
New arrival 13.42 €
Buy
Ordered on request
Order Code: EMOS26064
EMOS PIR senzor (pohybové čidlo) IP20, 1200 W, 360°, vestavný
Motion Sensor - for lighting, Interior, mains supply, input voltage: 230 V, reach of 3m, integrated daylight sensor and adjustable sensitivity, independently functional unit
New arrival 11.38 €
Buy
Ordered on request
Order Code: EMOS26063
EMOS Mikrovlnný senzor (pohybové čidlo) IP20, 1200 W, 360°, vestavný
Motion Sensor - for lighting, Interior, mains supply, input voltage: 230 V, reach of 16m, integrated daylight sensor and adjustable sensitivity, independently functional unit
New arrival 19.54 €
Buy
Ordered on request
Order Code: EMOS26068
IMMAX NEO Smart Ultrasonic Liquid Level Sensor , 5 m, WiFi
Sensor - precise measurement using ultrasonic technology, suitable for any type of liquid, IP65 resistance, possibility of connection to a smart water valve, Immax NEO PRO app in Czech and 60 other languages compatible with iOS, Android, with voice assistants - Apple Siri shortcuts and TUYA systems, LIDL.
61.15 €
Buy
Ordered on request
Order Code: IMMX25092
5.0
EMOS GoSmart PIR sensor (motion sensor), ZigBee
Motion Sensor - Interior, battery powered, reach of 8m, compatible with Tuya, Lidl Home, Smartlife, EMOS GoSmart and Manufacturer app, connection via WiFi 2,4 GHz and Bluetooth, a central unit is required to function, application in Czech, applications in Czech and English for Android and iOS
32.59 €
Buy
Ordered on request
Order Code: EMOS24055
EMOS GoSmart Water Leak Detector P56000S, ZigBee
Water Leak Detector - detects water gas, battery-powered, sound level: 85dB, compatible with Tuya, Lidl Home, Smartlife, EMOS GoSmart and Manufacturer app, battery indication, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
27.29 €
Buy
Ordered on request
Order Code: EMOS24054
SONOFF AirGuard CO2 Matter Over Wi-Fi Air Quality Monitor SAWF-08P
Air Quality Meter - detects temperature, humidity, CO₂ (carbon dioxide), measurement range from 400 to 5000 ppm, gas detection sensitivity 50 ppm, temperature measurement from 0 to 50 °C with accuracy 0.5 °C, humidity measurement from 5 to 99 % with accuracy 3 %, acoustic, visual signals, notifications via push notifications, display, features: alarm, cover material plastic, operating temperature from -10 to 50 °C,, input voltage 5 V, power cable included, compatible with Apple Home, Google Home, Samsung SmartThings, eWeLink and Home Assistant, standalone unit, app language options: Czech and English, compatible with Android and iOS
Currently Unavailable
Order Code: SNF2611
SONOFF AirGuard PM2.5/PM10 Matter Over Wi-Fi Air Quality Monitor SAWF-07P
Air Quality Meter - detects temperature, humidity, dust particles, measurement range from 400 to 5000 ppm, gas detection sensitivity 50 ppm, temperature measurement from 0 to 50 °C with accuracy 0.5 °C, humidity measurement from 5 to 99 % with accuracy 3 %, acoustic, visual signals, notifications via push notifications, display, features: alarm, cover material plastic, operating temperature from -10 to 50 °C,, input voltage 5 V, power cable included, compatible with Apple Home, Google Home, Samsung SmartThings, eWeLink and Home Assistant, standalone unit, app language options: Czech and English, compatible with Android and iOS
Currently Unavailable
Order Code: SNF2612
4.6 137×
SONOFF ZB SNZB-02D SMART Temperature & Humidity sensor
Sensor - temperature measurement in °C or F, measurement of humidity in %, 2.5" display, data recovery every 5 seconds, Zigbee 3.0, mobile apps, notifications, support for voice assistants, battery operation (CR2450)
Buy with code ALZADAYS20AT The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Erhalten Sie 20 % Rabatt mit dem Code ALZADAYS20AT. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt. 12.72 €
Great price 15.90 €
Currently Unavailable
Order Code: SNFa073
4.5 25×
SONOFF Zigbee Human Presence Sensor
Sensor - for motion detection, functionality based on 5.8 GHz microwave radar, three levels of sensitivity, detection distance up to 4 m, compatible with smart bulbs, Smart Switch and smart LED strips, possibility of fixing the base to the wall with 3M tape or screws, the sensor is fixed magnetically, USB-C power, ZigBee Hub central unit needed, Amazon Alexa support, Google Home, Smartthings, Alice and IFTTT
16.90 €
Currently Unavailable
Order Code: Sonoff23_07
4.9 27×
SONOFF SNZB-05P Zigbee Water Leak Sensor & Detection Cable
Sensor - protection against water damage in your home, Zigbee, email alerts, SMS or mobile phone notifications, on a CR2477 battery (battery not included), degree of protection IP67, Zigbee2MQTT and Home Assistant support, cable included for extended detection range
20.90 €
Currently Unavailable
Order Code: SNFa110
4.6 22×
SONOFF SNZB-03P Zigbee Motion Sensor
Motion Sesnor , open system with detection motion compatible with Samsung SmartThings, IFTTT and eWeLink, range: lighting, application in English and Czech, power supply: Battery-Powered,
15.90 €
Currently Unavailable
Order Code: SNFa101
4.4 46×
Netatmo Smart Smoke Alarm
Smoke Detector - acoustic signals, notifications via push notifications, signal volume 85 dB, battery indication, features: alarm, cover material plastic, holder and mounting kit included, standalone unit, app language options: Czech and English , compatible with Android and iOS
146.59 €
Currently Unavailable
Order Code: NET007f
4.8
MOES CO Detector, Zigbee
Gas Leak Detector - detects CO (carbon monoxide), battery-powered, acoustic signals, notifications via push notifications, signal volume 85 dB, battery indication, features self-diagnostics, cover material plastic, operating temperature from -10 to 40 °C,, compatible with Tuya and MOES, requires a central hub, app language options: Czech and English , compatible with Android and iOS
38.90 €
Currently Unavailable
Order Code: Moes22_37
4.0 10×
SwitchBot Contact Sensor
Door and Window Sensor - wireless, compatible with Apple Siri shortcuts and Samsung SmartThings, connect via WiFi 2,4 GHz, battery indication, range of 5m, separately functional unit, supported OS: Android and iOS
19.90 €
Currently Unavailable
Order Code: SwBot21_13
 

Smart Home Sensors & Detectors

Smart Home Sensors & Detectors

In the category Smart Home Sensors & Detectors on Alza.at, we currently have a total of 347 products, which you can easily buy online and get quickly delivered. See all of your purchases and make orders on our easy-to-use app.
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